Home / 77,759.55-116,617.46-21,586.05

Finding the Fourth Proportional to 77,759.55, 116,617.46 and 21,586.05

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Solution

The fourth proportional to 77,759.55, 116,617.46 and 21,586.05 is: 32,373.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,759.55 : 116,617.46 = 21,586.05 : x
  2. Step 2: Convert to fraction form
    77,759.55/116,617.46 = 21,586.05/x
  3. Step 3: Cross multiply
    77,759.55x = 116,617.46 × 21,586.05
  4. Step 4: Simplify right side
    77,759.55x = 2,517,310,214.50
  5. Step 5: Solve for x
    x = 2,517,310,214.50/77,759.55
  6. Step 6: Final answer
    x = 32,373.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.